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com.vaadin.flow.function.
Package com.vaadin.flow.function
Interface SerializableFunction<T,R>
Type Parameters:
T - the type of the input to the function
R - the type of the result of the function
All Superinterfaces:
Function<T,, Serializable
All Known Subinterfaces:
CheckboxGroup.ItemHelperGenerator<T>, ErrorMessageProvider, IdentifierProvider<T>, ItemLabelGenerator<T>, PushConnectionFactory, SortOrderProvider, UserIdentitySupplier, ValueProvider<SOURCE,
All Known Implementing Classes:
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
A Function that is also Serializable.
Since:
1.0
Author:
Vaadin Ltd
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Method Summary
Static MethodsModifier and TypeMethodDescriptionstatic <T> SerializableFunction<T,T> identity()Returns a function that always returns its input argument.
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Method Details
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identity
Returns a function that always returns its input argument.
Type Parameters:
T- the type of the input and output objects to the functionReturns:
a function that always returns its input argument
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